public class Example17 {
    public static void main(String[] args) {
        int i,j;
        for (i=1;i<=4;i++);{
            if (i>4) {
                break;
            }
            for (j=1;j<=i;j++){
                System.out.println("*");
            }
            System.out.println("\n");
        }
    }
}
